Math Bowl Practice

Front

What is the formula to calculate the temperature drop over time?

Back

Temperature Drop = Initial Temperature - (Rate of Drop × Time)

Tags

CCSS.7.EE.B.4A

Front

If a temperature drops 3 degrees F every minute, how much will it drop in 5 minutes?

Back

15 degrees F (3 degrees F/minute × 5 minutes = 15 degrees F)

Tags

CCSS.7.EE.B.3

Front

What is probability?

Back

Probability is a measure of the likelihood that an event will occur, expressed as a fraction or percentage.

Tags

CCSS.7.SP.C.5

Front

How do you calculate the probability of getting exactly two heads in four coin tosses?

Back

Use the binomial probability formula: P(X=k) = (n choose k) * p^k * (1-p)^(n-k), where n=4, k=2, p=0.5.

Tags

CCSS.HSS.MD.A.2

Front

What is a markup in pricing?

Back

Markup is the amount added to the cost price of goods to cover overhead and profit.

Tags

CCSS.6.RP.A.3B

Front

If a sweatshirt costs $27 and has a 60% markup, what is the selling price?

Back

Selling Price = Cost + (Markup × Cost) = $27 + (0.60 × $27) = $43.20.

Tags

CCSS.6.RP.A.3C

Front

What does it mean to have a sale where the second item is half price?

Back

It means the customer pays full price for the first item and half the price for the second item.

Tags

CCSS.6.RP.A.3B

Front

How do you calculate total profit from selling two sweatshirts at different prices?

Back

Total Profit = (Selling Price of First Sweatshirt + Selling Price of Second Sweatshirt) - (Cost of Both Sweatshirts).

Tags

CCSS.6.NS.B.3

Front

What is the total number of marbles if Natalie has 1 black, 3 blue, 1 green, 1 yellow, and 2 red marbles?

Back

Total = 1 + 3 + 1 + 1 + 2 = 8 marbles.

Tags

CCSS.1.NBT.A.1

Front

How do you calculate the probability of drawing a blue marble after one has been removed?

Back

New Probability = Remaining Blue Marbles / Total Remaining Marbles.

Tags

CCSS.HSS.CP.B.7